Castelli #GIRO Siena Jersey Variant:Castelli Jersey #GIRO Siena Bordo' Scuro/Rosa Giro - XL Provides a 150mg caffeine boost

Provides a 150mg caffeine boost to sharpen focus and reduce perceived effort

MicroSHIFT 9-speed

wire bead skin wall tire made in Japan in 20 x 1

and the larger size of the Nomadpak Family

Castelli #GIRO Siena Jersey Variant:Castelli Jersey #GIRO Siena Bordo' Scuro/Rosa Giro - XL Provides a 150mg caffeine boostThe ideal all around jersey for all your riding. TECHNICAL FEATURES Weight: 161 g Temperature: 18C 35C 64F 95F Fit: Regular PRODUCT FEATURES Strada micromesh ventilated stretch fabric on front, back, and sleeves for great fit and moisture management Raw cut sleeve endings Tailwind dimpled stretch fabric on side panels and pockets for perfect fit Anatomic side panels that wrap around to back Full length YKK Vislon zipper, the easiest sliding zipper